/*
 * JSFConsole - Lightweight JSF Application Monitor
 * Copyright (C) 2009  Grzegorz Bugaj
 * http://www.gregbugaj.com
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/
package com.gregbugaj.jsfconsole.util;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
/**
 * Utility class for working with Jar's
 * @author devil
 *
 */
public class JarUtil {
	/**
	 * Get file from a jar jar url syntax "jar:" + classContainer + "!/META-INF/resource-config.xml"
	 * @param filename
	 * @return
	 */
	public static InputStream getStreamFromJar(String filename){		
		InputStream stream=null;	
		String classContainer = JarUtil.class.getProtectionDomain().getCodeSource().getLocation().toString();
		URL resourceURL=null;
		try {
			resourceURL = new URL("jar:" + classContainer + "!"+filename);
			stream=resourceURL.openStream();
		} catch (MalformedURLException e1) {
			e1.printStackTrace();			
		} catch (IOException e) {
			e.printStackTrace();
		}
		catch (Exception e) {
			e.printStackTrace();
		}
		return stream;
	}

}
